One day Batara Guru got very angry with his daughters. He would not control his mad.He shouted angrily and got the word of fish to his daughters.
T he daughters were crying . They found their mother and talk ed to her about it.
The mother was very annoyed. Batara Guru broke his promise . The mother was shouting angrily . Then the earth begun to shake .Volcanoes started to erupt . T he earth formed a very big hole . Poeple believed that the big hole became a lake . Then this lake is known as TOBA LAKE.